I saw this is coming up for auction....
I wonder if Kim was aware of this piece when doing the 'Burnin' Up' sleeve.
Andy Warhol - New York Post (Madonna on Nude Pix: So What!) 1985
http://www.phillips.com/detail/ANDY-WARHOL/UK030114/27

Screenprint, on Lenox Museum Board, with full margins, with colophon and accompanying letter from the Andy Warhol Art Authentication Board,
I. 49.2 x 39.4 cm (19 3/8 x 15 1/2 in.)
S. 101.6 x 50.5 cm (40 x 19 7/8 in.)
an unpublished print, inscribed 'A176.984' in pencil and with the Andy Warhol copyright and Andy Warhol Art Authentication Board, Inc., inkstamps on the reverse, printed by Rupert Jasen Smith, New York, (with their blindstamp), framed.
Estimate £25,000 - 35,000